5th Grade Square and Cube Numbers Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 5th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Factors, Multiples & Primes5th Grade Square and Cube Numbers Worksheet — Level 3 — Practice Set 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.202 = (answer space)
Answer: 400
- 20 × 20 = 400
2.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
3.64 is a square number.
Answer: True
8 × 8 = 64
4.83 = (answer space)
Answer: 512
- 8 × 8 × 8 = 512
5.The cube root of 729 is (answer space).
Answer: 9
- 9 × 9 × 9 = 729
6.64 is a cube number.
Answer: True
4 × 4 × 4 = 64
7.√18 lies between the whole numbers (answer space) and (answer space).
Answer: 4, 5
- 42 = 16 and 52 = 25
- 16 < 18 < 25
8.122 + 62 = (answer space)
Answer: 180
- 144 + 36 = 180
9.142 = (answer space)
Answer: 196
- 14 × 14 = 196
10.√225 = (answer space)
Answer: 15
- 15 × 15 = 225
11.144 is a square number.
Answer: True
12 × 12 = 144
12.33 = (answer space)
Answer: 27
- 3 × 3 × 3 = 27
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.